US20210331836A1 - Blank and paperboard envelope formed therefrom - Google Patents
Blank and paperboard envelope formed therefrom Download PDFInfo
- Publication number
- US20210331836A1 US20210331836A1 US17/241,301 US202117241301A US2021331836A1 US 20210331836 A1 US20210331836 A1 US 20210331836A1 US 202117241301 A US202117241301 A US 202117241301A US 2021331836 A1 US2021331836 A1 US 2021331836A1
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- United States
- Prior art keywords
- edge
- extends
- blank
- zone
- midline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D27/00—Envelopes or like essentially-rectangular containers for postal or other purposes having no structural provision for thickness of contents
- B65D27/32—Opening devices incorporated during envelope manufacture
- B65D27/34—Lines of weakness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D27/00—Envelopes or like essentially-rectangular containers for postal or other purposes having no structural provision for thickness of contents
- B65D27/32—Opening devices incorporated during envelope manufacture
- B65D27/36—Finger openings, slots, or gripping tabs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D27/00—Envelopes or like essentially-rectangular containers for postal or other purposes having no structural provision for thickness of contents
- B65D27/12—Closures
- B65D27/14—Closures using adhesive applied to integral parts, e.g. flaps
- B65D27/16—Closures using adhesive applied to integral parts, e.g. flaps using pressure-sensitive adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D27/00—Envelopes or like essentially-rectangular containers for postal or other purposes having no structural provision for thickness of contents
- B65D27/32—Opening devices incorporated during envelope manufacture
- B65D27/38—Tearing-strings or -strips
Definitions
- This patent is directed to a blank for a paperboard envelope and a paperboard envelope formed therefrom.
- a blank for forming a paperboard envelope including a single rectangular sheet of paperboard having opposed top and bottom edges and opposed left and right edges.
- the sheet has a midline spaced equally from the left and right edges.
- the midline incudes a cut that extends from the top edge to a point spaced from the top edge, and a fold line that extends from the point to the bottom edge.
- the sheet also has a first zone that extends from the midline to the right edge along the bottom edge, a second zone that extends from the bottom edge to a line spaced from the top edge, the line parallel to the top and bottom edges and disposed through the point, along the right edge, a third zone that extends from the midline to the left edge along the bottom edge, and a fourth zone that extends from the bottom edge to the line along the left edge.
- the first and second zones are configured to join the third and fourth zones, respectively, with the blank folded about the fold line.
- a paperboard envelope is formed from a blank including a single rectangular sheet of paperboard having opposed top and bottom edges and opposed left and right edges.
- the sheet has a midline spaced equally from the left and right edges.
- the midline incudes a cut that extends from the top edge to a point spaced from the top edge, and a fold line that extends from the point to the bottom edge.
- the sheet also has a first zone that extends from the midline to the right edge along the bottom edge, a second zone that extends from the bottom edge to a line spaced from the top edge, the line parallel to the top and bottom edges and disposed through the point, along the right edge, a third zone that extends from the midline to the left edge along the bottom edge, and a fourth zone that extends from the bottom edge to the line along the left edge.
- the first and second zones are configured to join the third and fourth zones, respectively, with the blank folded about the fold line.
- FIG. 1 is a plan view of a blank used to form a paperboard envelope
- FIG. 2 is a front view of the paperboard envelope formed from the blank of FIG. 1 ;
- FIG. 3 is a back view of the paperboard envelope formed from the blank of FIG. 1 .
- FIG. 1 illustrates a blank 100 for forming a paperboard envelope according to the disclosed embodiments.
- the blank 100 can be used to form a paperboard envelope 200 , such as illustrated in FIGS. 2 and 3 .
- the blank 100 includes a single rectangular sheet 102 of paperboard having opposed top and bottom edges 104 , 106 and opposed left and right edges 108 , 110 .
- the sheet 102 has a midline 112 spaced equally from the left and right edges 108 , 110 , and parallel to the left and right edges 108 , 110 .
- the midline 112 incudes a cut 114 that extends from the top edge 104 to a point 116 spaced from the top edge 104 (e.g., about 1 inch (2.5 cm) from the top edge 104 ), and a fold line 118 that extends from the point 116 to the bottom edge 106 .
- the sheet 102 also has a first zone 120 that extends from the midline 112 to the right edge 110 along the bottom edge 106 , a second zone 122 that extends from the bottom edge 106 to a line 124 spaced from the top edge 104 along the right edge 110 , a third zone 126 that extends from the midline 112 to the left edge 108 along the bottom edge 106 , and a fourth zone 128 that extends from the bottom edge 106 to the line 124 along the left edge 108 .
- the line 124 is parallel to the top and bottom edges 104 , 106 and disposed through the point 116 .
- the first and second zones 120 , 122 are configured to join the third and fourth zones 126 , 128 , respectively, with the blank 100 folded about the fold line 118 .
- the blank 100 may be folded about the fold line 118 , such that the first zone 120 overlies the third zone 126 and the second zone 122 overlies the fourth zone 128 .
- the first and third zones 120 , 126 then may be joined together, as may the second and fourth zones 122 , 128 , to form the envelope 200 .
- the regions of between the top edge 104 and the line 124 may be left unsecured to permit an article or articles (e.g., an item of apparel, such as a shirt or sweater) to be introduced into the envelope 200 .
- a fastener may be associated with these regions to permit the envelope 200 to be closed after the article or articles has/have been disposed within the envelope 200 .
- the blank 100 includes a rectangular sheet 102 of paperboard, as mentioned above.
- the top edge 104 is parallel to the bottom edge 106
- the left edge 108 is parallel to the right edge 110 .
- the distance from the top edge 104 to the bottom edge 106 is 17.5 inches (43.75 cm)
- the distance from the left edge 18 to the right edge 110 is 28.5 inches (71.25 cm).
- the sheet of paperboard may be an uncoated, recycled, TBC grade of paperboard, with a thickness of 0.015 inches (0.381 mm).
- the dimensions may differ, and the grade and thickness of paperboard may differ.
- the top, bottom, left and right edges 104 , 106 , 108 , 110 are free of tabs or extensions: that is, there are no sections of the rectangular sheet 102 that have been removed to form the blank 100 , such as might have been removed to form trapezoidal or other shaped regions depending from any of the top, bottom, left, and right edges 104 , 106 , 108 , 110 .
- An advantage of this structure is that there is no material waste in forming the blank, such as might arise from forming the blank with tabs or extensions along one or more of the edges 104 , 106 , 108 , 110 . There is also a savings in processing time and cost related to the elimination of steps to form such tabs or extensions.
- the first and second zones 120 , 122 are configured to be joined to the third and fourth zones 126 , 128 .
- the first and second zones 120 , 122 may be configured to be joined to the third and fourth zones 126 , 128 by disposing an adhesive on the first and second zones 120 , 122 , while the third and fourth zones 126 , 128 are left clear.
- the first and second zones 120 , 122 may be configured by leaving these zones clear, and disposing the adhesive in the third and fourth zones 126 , 128 .
- adhesive may be disposed in all four zones.
- the adhesive may be a formulated synthetic resin emulsion adhesive.
- the zones may be joined and secured to each other in such a fashion that the interface between the zones does not have large gaps. It is preferred that the zones be joined in such a fashion that the interfaces are substantially uniform, such that the first and third zones 120 , 126 and second and fourth zones 122 , 128 are joined and secured completely (i.e., without any gaps) along almost the entire length of their interfaces. For example, the zones may be joined and secured completely along at least 90%, 95% or 100% of their length.
- the joined and secured zones 120 , 122 , 126 , 128 and the midline 112 define an interior space of the envelope 200 along three sides of that space.
- the fourth side is defined by two opposing flaps 130 , 132 .
- Each flap 130 , 132 is defined between one of the left and right edges 108 , 110 and the midline 112 , and in particular the cut 114 .
- the flaps 130 , 132 may be joined using a fastener provided for the user to join and secure the flaps 130 , 132 to each other.
- a fifth zone 134 may be defined that extends from the midline 112 to the right edge 110 along the top edge 104 .
- An adhesive may be disposed in the fifth zone 134 , and a release liner 136 may be disposed over the adhesive in the fifth zone 134 . When the liner 136 is removed, the adhesive is exposed and can be used to seal the envelope 200 in a closed state.
- Such a structure may be referred to conventionally as a peel-and-seal fastener or closure, although other types of self-seal fasteners or closures may be used.
- the adhesive may be a pressure-sensitive adhesive, such as a pressure sensitive hot-melt adhesive.
- the blank 100 may also include a mechanism for opening the envelope 200 formed using the blank 100 without resort to scissors or the like.
- the blank 100 may include a tear strip 138 disposed between the line 124 and the bottom edge 106 , the tear strip 138 having a first end 140 spaced from the midline 112 and a second end 142 spaced from the right edge 110 .
- the first and second ends 140 , 142 may be cut through or scored into the sheet 102 in such a way that the user may grasp one of the ends 140 , 142 and tear an opening through the sheet 102 to permit articles to be removed from the formed envelope 200 .
- the tear strip 138 may have a region of reinforcement to guide the tear through the sheet 102 , such as might be provided by a strip of reinforcing material disposed on and joined to (e.g., adhered to) a surface of the sheet 102 between the first and second ends 140 , 142 .
- the blank 100 may also have one or more lines spaced inwardly from the left edge 108 , the bottom edge 106 , and the right edge 110 , the lines being scored or grooved. As illustrated, there are lines 150 , 152 , 154 , 156 , 158 , 160 spaced from the bottom, left, and right edges 106 , 108 , 110 , as well as the midline 112 . For example, the lines may be spaced from the edges 106 , 108 , 110 and the midline 112 by 0.75 inches (1.875 cm).
- the lines 150 , 152 , 154 may be connected, as may the lines 156 , 158 , 160 . According to certain embodiments, these lines may have a mechanical function, but according to other embodiments, the lines are included purely for decoration.
- FIGS. 2 and 3 illustrate the envelope 200 formed using the blank of FIG. 1 .
- Certain features of the blank 100 such as the flaps 130 , 132 , the peal-and-seal fastener 134 , 136 and the tear strip 138 are labeled in FIGS. 2 and 3 , as are the lines 150 , 152 , 154 , 156 , 158 , 160 .
- the envelope 200 has opposing ends 202 , 204 and opposing sides 206 , 208 .
- the end 202 includes the flaps 130 , 132 , while the opposed end 204 is formed by the joined and secured first and third zones 120 , 126 .
- the side 206 is formed by the joined and secured second and fourth zones 122 , 128 , while the side 208 is formed at the fold line 118 when the blank 100 is folded about the fold line 118 .
- the envelope 200 has an interior space that is defined on three sides by the end 204 and the sides 206 , 208 and on a fourth side selectively by the end 202 with flaps 130 , 132 . When formed, before an article or articles are disposed in the envelope 200 , the envelope 200 is empty and flat.
- the flaps 130 , 132 may be joined and secured using, for example, the peal-and-seal fastener 134 , 136 to prevent an article from being removed from the interior space.
- the tear strip 138 may be used to form an opening in a wall of the envelope to permit the article to be removed from the interior space.
- the envelope permits a user to selectively close and open the envelope 200 without other equipment or supplies (e.g., glue, scissors, etc.).
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
Description
- This application claims the benefit of U.S. Provisional Patent application No. 63/016,284, filed Apr. 27, 2020, which application is hereby incorporated by reference herein.
- This patent is directed to a blank for a paperboard envelope and a paperboard envelope formed therefrom.
- According to an aspect, a blank for forming a paperboard envelope is provided, the blank including a single rectangular sheet of paperboard having opposed top and bottom edges and opposed left and right edges. The sheet has a midline spaced equally from the left and right edges. The midline incudes a cut that extends from the top edge to a point spaced from the top edge, and a fold line that extends from the point to the bottom edge. The sheet also has a first zone that extends from the midline to the right edge along the bottom edge, a second zone that extends from the bottom edge to a line spaced from the top edge, the line parallel to the top and bottom edges and disposed through the point, along the right edge, a third zone that extends from the midline to the left edge along the bottom edge, and a fourth zone that extends from the bottom edge to the line along the left edge. The first and second zones are configured to join the third and fourth zones, respectively, with the blank folded about the fold line.
- According to a further aspect, a paperboard envelope is formed from a blank including a single rectangular sheet of paperboard having opposed top and bottom edges and opposed left and right edges. The sheet has a midline spaced equally from the left and right edges. The midline incudes a cut that extends from the top edge to a point spaced from the top edge, and a fold line that extends from the point to the bottom edge. The sheet also has a first zone that extends from the midline to the right edge along the bottom edge, a second zone that extends from the bottom edge to a line spaced from the top edge, the line parallel to the top and bottom edges and disposed through the point, along the right edge, a third zone that extends from the midline to the left edge along the bottom edge, and a fourth zone that extends from the bottom edge to the line along the left edge. The first and second zones are configured to join the third and fourth zones, respectively, with the blank folded about the fold line.
-
FIG. 1 is a plan view of a blank used to form a paperboard envelope; -
FIG. 2 is a front view of the paperboard envelope formed from the blank ofFIG. 1 ; and -
FIG. 3 is a back view of the paperboard envelope formed from the blank ofFIG. 1 . -
FIG. 1 illustrates a blank 100 for forming a paperboard envelope according to the disclosed embodiments. The blank 100 can be used to form apaperboard envelope 200, such as illustrated inFIGS. 2 and 3 . - The blank 100 includes a single
rectangular sheet 102 of paperboard having opposed top andbottom edges right edges sheet 102 has amidline 112 spaced equally from the left andright edges right edges midline 112 incudes acut 114 that extends from thetop edge 104 to apoint 116 spaced from the top edge 104 (e.g., about 1 inch (2.5 cm) from the top edge 104), and afold line 118 that extends from thepoint 116 to thebottom edge 106. - The
sheet 102 also has afirst zone 120 that extends from themidline 112 to theright edge 110 along thebottom edge 106, asecond zone 122 that extends from thebottom edge 106 to aline 124 spaced from thetop edge 104 along theright edge 110, athird zone 126 that extends from themidline 112 to theleft edge 108 along thebottom edge 106, and afourth zone 128 that extends from thebottom edge 106 to theline 124 along theleft edge 108. Theline 124 is parallel to the top andbottom edges point 116. The first andsecond zones fourth zones fold line 118. - During assembly, the blank 100 may be folded about the
fold line 118, such that thefirst zone 120 overlies thethird zone 126 and thesecond zone 122 overlies thefourth zone 128. The first andthird zones fourth zones envelope 200. With the first andthird zones fourth zones top edge 104 and theline 124 may be left unsecured to permit an article or articles (e.g., an item of apparel, such as a shirt or sweater) to be introduced into theenvelope 200. A fastener may be associated with these regions to permit theenvelope 200 to be closed after the article or articles has/have been disposed within theenvelope 200. - Having thus described the blank 100 and the method of assembling the blank 100 into the
envelope 200, further details are described about the blank 100 and theenvelope 200 with reference toFIGS. 1-3 . - Referring first to
FIG. 1 , the blank 100 includes arectangular sheet 102 of paperboard, as mentioned above. As such, thetop edge 104 is parallel to thebottom edge 106, and theleft edge 108 is parallel to theright edge 110. According to certain embodiments, the distance from thetop edge 104 to thebottom edge 106 is 17.5 inches (43.75 cm), and the distance from the left edge 18 to theright edge 110 is 28.5 inches (71.25 cm). According to such embodiments, the sheet of paperboard may be an uncoated, recycled, TBC grade of paperboard, with a thickness of 0.015 inches (0.381 mm). According to other embodiments, the dimensions may differ, and the grade and thickness of paperboard may differ. - The top, bottom, left and
right edges rectangular sheet 102 that have been removed to form the blank 100, such as might have been removed to form trapezoidal or other shaped regions depending from any of the top, bottom, left, andright edges edges - As was also mentioned previously, the first and
second zones fourth zones second zones fourth zones second zones fourth zones second zones fourth zones - It will be recognized that the zones, for example first and
third zones fourth zones third zones fourth zones - The joined and secured
zones midline 112 define an interior space of theenvelope 200 along three sides of that space. The fourth side is defined by twoopposing flaps flap right edges midline 112, and in particular thecut 114. Theflaps flaps - For example, a
fifth zone 134 may be defined that extends from themidline 112 to theright edge 110 along thetop edge 104. An adhesive may be disposed in thefifth zone 134, and arelease liner 136 may be disposed over the adhesive in thefifth zone 134. When theliner 136 is removed, the adhesive is exposed and can be used to seal theenvelope 200 in a closed state. Such a structure may be referred to conventionally as a peel-and-seal fastener or closure, although other types of self-seal fasteners or closures may be used. The adhesive may be a pressure-sensitive adhesive, such as a pressure sensitive hot-melt adhesive. - In addition, the blank 100 may also include a mechanism for opening the
envelope 200 formed using the blank 100 without resort to scissors or the like. For example, the blank 100 may include atear strip 138 disposed between theline 124 and thebottom edge 106, thetear strip 138 having afirst end 140 spaced from themidline 112 and asecond end 142 spaced from theright edge 110. The first andsecond ends sheet 102 in such a way that the user may grasp one of theends sheet 102 to permit articles to be removed from the formedenvelope 200. Thetear strip 138 may have a region of reinforcement to guide the tear through thesheet 102, such as might be provided by a strip of reinforcing material disposed on and joined to (e.g., adhered to) a surface of thesheet 102 between the first andsecond ends - The blank 100 may also have one or more lines spaced inwardly from the
left edge 108, thebottom edge 106, and theright edge 110, the lines being scored or grooved. As illustrated, there arelines right edges midline 112. For example, the lines may be spaced from theedges midline 112 by 0.75 inches (1.875 cm). Thelines lines -
FIGS. 2 and 3 illustrate theenvelope 200 formed using the blank ofFIG. 1 . Certain features of the blank 100, such as theflaps seal fastener tear strip 138 are labeled inFIGS. 2 and 3 , as are thelines - As illustrated, the
envelope 200 has opposing ends 202, 204 and opposingsides end 202 includes theflaps opposed end 204 is formed by the joined and secured first andthird zones side 206 is formed by the joined and secured second andfourth zones side 208 is formed at thefold line 118 when the blank 100 is folded about thefold line 118. Theenvelope 200 has an interior space that is defined on three sides by theend 204 and thesides end 202 withflaps envelope 200, theenvelope 200 is empty and flat. - As noted above, the
flaps seal fastener tear strip 138 may be used to form an opening in a wall of the envelope to permit the article to be removed from the interior space. As such, the envelope permits a user to selectively close and open theenvelope 200 without other equipment or supplies (e.g., glue, scissors, etc.). - Although the preceding text sets forth a detailed description of different embodiments of the invention, it should be understood that the legal scope of the invention is defined by the words of the claims set forth at the end of this patent. The detailed description is to be construed as exemplary only and does not describe every possible embodiment of the invention since describing every possible embodiment would be impractical, if not impossible. Numerous alternative embodiments could be implemented, using either current technology or technology developed after the filing date of this patent, which would still fall within the scope of the claims defining the invention.
- It should also be understood that, unless a term is expressly defined in this patent using the sentence “As used herein, the term ‘______’ is hereby defined to mean . . . ” or a similar sentence, there is no intent to limit the meaning of that term, either expressly or by implication, beyond its plain or ordinary meaning, and such term should not be interpreted to be limited in scope based on any statement made in any section of this patent (other than the language of the claims). To the extent that any term recited in the claims at the end of this patent is referred to in this patent in a manner consistent with a single meaning, that is done for sake of clarity only so as to not confuse the reader, and it is not intended that such claim term be limited, by implication or otherwise, to that single meaning. Finally, unless a claim element is defined by reciting the word “means” and a function without the recital of any structure, it is not intended that the scope of any claim element be interpreted based on the application of 35 U.S.C. § 112(f).
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/241,301 US11572218B2 (en) | 2020-04-27 | 2021-04-27 | Blank and paperboard envelope formed therefrom |
US18/164,289 US20230182965A1 (en) | 2020-04-27 | 2023-02-03 | Blank and paperboard envelope formed therefrom |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202063016284P | 2020-04-27 | 2020-04-27 | |
US17/241,301 US11572218B2 (en) | 2020-04-27 | 2021-04-27 | Blank and paperboard envelope formed therefrom |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US18/164,289 Continuation US20230182965A1 (en) | 2020-04-27 | 2023-02-03 | Blank and paperboard envelope formed therefrom |
Publications (2)
Publication Number | Publication Date |
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US20210331836A1 true US20210331836A1 (en) | 2021-10-28 |
US11572218B2 US11572218B2 (en) | 2023-02-07 |
Family
ID=78221741
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US17/241,301 Active US11572218B2 (en) | 2020-04-27 | 2021-04-27 | Blank and paperboard envelope formed therefrom |
US18/164,289 Pending US20230182965A1 (en) | 2020-04-27 | 2023-02-03 | Blank and paperboard envelope formed therefrom |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US18/164,289 Pending US20230182965A1 (en) | 2020-04-27 | 2023-02-03 | Blank and paperboard envelope formed therefrom |
Country Status (2)
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US (2) | US11572218B2 (en) |
CA (1) | CA3116245A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2689079A (en) * | 1952-08-15 | 1954-09-14 | Chippewa Paper Products Compan | Container |
US20140117072A1 (en) * | 2012-10-30 | 2014-05-01 | Rodair Holdings Ltd. | Reusable foldable shipping container |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3125279A (en) | 1964-03-17 | Cardboard and like cartons | ||
US1299021A (en) * | 1915-02-23 | 1919-04-01 | Louis Charles Mauger | Letter-card and the like having an opening device. |
US1636495A (en) * | 1924-03-22 | 1927-07-19 | Widmaier Otto | Envelope blank and method of making same |
US1897602A (en) * | 1931-06-26 | 1933-02-14 | Bayer Andrew | Envelope |
US3666926A (en) * | 1970-12-23 | 1972-05-30 | Praxedes Systems Inc | Carrier envelope for machine processing and process for making same |
US3968927A (en) * | 1975-03-05 | 1976-07-13 | Katz Robert E | Mail order envelope assembly |
US4313557A (en) * | 1980-05-14 | 1982-02-02 | Berlin Industries, Inc. | Envelope insert for magazines |
US4406647A (en) * | 1980-05-14 | 1983-09-27 | Berlin Industries | Method of making, inserting, and removing envelope inserts for magazines |
GB0403989D0 (en) * | 2004-02-24 | 2004-03-31 | Black Stephen P | Stationery |
US20080116248A1 (en) * | 2006-06-20 | 2008-05-22 | Amanda Wawrzyniak | Envelope assembly |
-
2021
- 2021-04-27 CA CA3116245A patent/CA3116245A1/en active Pending
- 2021-04-27 US US17/241,301 patent/US11572218B2/en active Active
-
2023
- 2023-02-03 US US18/164,289 patent/US20230182965A1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2689079A (en) * | 1952-08-15 | 1954-09-14 | Chippewa Paper Products Compan | Container |
US20140117072A1 (en) * | 2012-10-30 | 2014-05-01 | Rodair Holdings Ltd. | Reusable foldable shipping container |
Also Published As
Publication number | Publication date |
---|---|
US20230182965A1 (en) | 2023-06-15 |
CA3116245A1 (en) | 2021-10-27 |
US11572218B2 (en) | 2023-02-07 |
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